If you say or feel something sincerely, you really mean or feel it, and are not pretending.
'Congratulations,' he said sincerely.
“恭喜,”他真诚地说道。
sincerely held religious beliefs.
虔诚的宗教信仰。
People write 'Yours sincerely' or 'Sincerely' before their signature at the end of a formal letter when they have addressed it to someone by name. People sometimes write 'Sincerely yours' instead.
Yours sincerely, Alan Green.
艾伦·格林谨上。